| US 7,588,318 B2 | ||
| System and method for assuring proper pen loading | ||
| Steve O'Hara, Camas, Wash. (US); and Scott D. Sturgeon, Vancouver, Wash. (US) | ||
| Assigned to Hewlett-Packard Development Company, L.P., Houston, Tex. (US) | ||
| Filed on May 02, 2008, as Appl. No. 12/114,232. | ||
| Application 12/114232 is a division of application No. 11/044122, filed on Jan. 27, 2005, granted, now 7,380,904. | ||
| Claims priority of provisional application 60/586425, filed on Jul. 07, 2004. | ||
| Prior Publication US 2008/0204508 A1, Aug. 28, 2008 | ||
| Int. Cl. B41J 2/14 (2006.01); B41J 2/16 (2006.01) | ||
| U.S. Cl. 347—49 [347/86] | 16 Claims |
| 1. An inkjet pen, comprising:
an internal ink supply; and
at least one datum feature configured to engage and slide over a guide track in a pen carriage during installation of said
pen in said carriage;
said at least one datum feature being configured to interact with corresponding datum features of said guide track to prevent
improper installation of said pen in said carriage;
wherein said at least one datum feature further comprises a color keying member corresponding to a color of ink in said ink
supply;
wherein said color keying member is configured to slide over said guide track during installation of said pen in said carriage.
|